body {
    color: #586f76;
    background: url(//images.cnblogs.com/cnblogs_com/non2019/2085870/o_211228014314_300546.jpg) fixed;
    font-family: Verdana,Arial,Helvetica,sans-serif,"微软雅黑";
    font-size: 13px;
    line-height: 1.8;
}
#home {
margin: 0 auto;
opacity: 0.8;
width: 75%;
min-width: 1080px;
background-color: #FFFFFF;
padding: 30px;
margin-top: 50px;
margin-bottom: 50px;
box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);
}